summaryrefslogtreecommitdiff
path: root/app/openssl/crypto/s390xcpuid.S
diff options
context:
space:
mode:
Diffstat (limited to 'app/openssl/crypto/s390xcpuid.S')
-rw-r--r--app/openssl/crypto/s390xcpuid.S92
1 files changed, 92 insertions, 0 deletions
diff --git a/app/openssl/crypto/s390xcpuid.S b/app/openssl/crypto/s390xcpuid.S
new file mode 100644
index 00000000..b053c6a2
--- /dev/null
+++ b/app/openssl/crypto/s390xcpuid.S
@@ -0,0 +1,92 @@
+.text
+
+.globl OPENSSL_s390x_facilities
+.type OPENSSL_s390x_facilities,@function
+.align 16
+OPENSSL_s390x_facilities:
+ lghi %r0,0
+ .long 0xb2b0f010 # stfle 16(%r15)
+ lg %r2,16(%r15)
+ larl %r1,OPENSSL_s390xcap_P
+ stg %r2,0(%r1)
+ br %r14
+.size OPENSSL_s390x_facilities,.-OPENSSL_s390x_facilities
+
+.globl OPENSSL_rdtsc
+.type OPENSSL_rdtsc,@function
+.align 16
+OPENSSL_rdtsc:
+ stck 16(%r15)
+ lg %r2,16(%r15)
+ br %r14
+.size OPENSSL_rdtsc,.-OPENSSL_rdtsc
+
+.globl OPENSSL_atomic_add
+.type OPENSSL_atomic_add,@function
+.align 16
+OPENSSL_atomic_add:
+ l %r1,0(%r2)
+.Lspin: lr %r0,%r1
+ ar %r0,%r3
+ cs %r1,%r0,0(%r2)
+ brc 4,.Lspin
+ lgfr %r2,%r0 # OpenSSL expects the new value
+ br %r14
+.size OPENSSL_atomic_add,.-OPENSSL_atomic_add
+
+.globl OPENSSL_wipe_cpu
+.type OPENSSL_wipe_cpu,@function
+.align 16
+OPENSSL_wipe_cpu:
+ xgr %r0,%r0
+ xgr %r1,%r1
+ lgr %r2,%r15
+ xgr %r3,%r3
+ xgr %r4,%r4
+ lzdr %f0
+ lzdr %f1
+ lzdr %f2
+ lzdr %f3
+ lzdr %f4
+ lzdr %f5
+ lzdr %f6
+ lzdr %f7
+ br %r14
+.size OPENSSL_wipe_cpu,.-OPENSSL_wipe_cpu
+
+.globl OPENSSL_cleanse
+.type OPENSSL_cleanse,@function
+.align 16
+OPENSSL_cleanse:
+ lghi %r4,15
+ lghi %r0,0
+ clgr %r3,%r4
+ jh .Lot
+ clgr %r3,%r0
+ bcr 8,%r14
+.Little:
+ stc %r0,0(%r2)
+ la %r2,1(%r2)
+ brctg %r3,.Little
+ br %r14
+.align 4
+.Lot: tmll %r2,7
+ jz .Laligned
+ stc %r0,0(%r2)
+ la %r2,1(%r2)
+ brctg %r3,.Lot
+.Laligned:
+ srlg %r4,%r3,3
+.Loop: stg %r0,0(%r2)
+ la %r2,8(%r2)
+ brctg %r4,.Loop
+ lghi %r4,7
+ ngr %r3,%r4
+ jnz .Little
+ br %r14
+.size OPENSSL_cleanse,.-OPENSSL_cleanse
+
+.section .init
+ brasl %r14,OPENSSL_cpuid_setup
+
+.comm OPENSSL_s390xcap_P,8,8